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ÎçҹѰ»¨ - National Hot Rod Association

Tony Pedregon explains the combustion cycle of a 12,000-hp nitro Hemi

ÎçҹѰ»¨ on FOX's Tony Pedregon delves into the mechanics of nitromethane-fueled Hemi engines and the potential disasters of losing 1,400-hp from misfiring cylinders.
23 Jul 2024
Posted by ÎçҹѰ»¨.com staff
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In this ÎçҹѰ»¨ on FOX segment, Tony Pedregon dives into the intricacies of the four-stroke combustion cycle of a nitromethane-burning Hemi engine. He explains the process in which air and fuel mix, compress, ignite, and exhaust through each of the engine’s eight cylinders. Pedregon also discussed the chaos that ensues when one of the cylinders fails to fire correctly. Misfires can lead to catastrophic engine damage, reducing power output and potentially causing dramatic explosions or mechanical failures. This insightful preview promises a captivating look at the delicate balance of power and precision in ÎçҹѰ»¨ Drag Racing, offering viewers a deeper understanding of what makes these high-performance engines both formidable and vulnerable. Don't miss this educational and thrilling segment on ÎçҹѰ»¨ on FOX.

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